| Sources |
- [S1220] Ancestry.com, Cook County, Illinois, Marriages Index, 1871-1920, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT ; Date: 2011;).
- [S11629] Ancestry.com, 1900 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Lehi, UT, USA; Date: 2004;), Year: 1900; Census Place: Braceville, Grundy, Illinois; Roll: 303; Page: 21B; Enumeration District: 0044; FHL microfilm: 1240303.
- [S28] Ancestry.com, U.S., World War I Draft Registration Cards, 1917-1918, (Name: Ancestry.com Operations Inc; Location: Provo, UT ; Date: 2005;), Registration State: Iowa; Registration County: Winnebago; Roll: 1643416.
- [S10231] Ancestry.com, 1920 United States Federal Census, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2010;), Year: 1920; Census Place: Lincoln, Winnebago, Iowa; Roll: T625_518; Page: 1B; Enumeration District: 259; Image: 665.
- [S2772] Newspapers.com: Obituary of Gertrude Knudtson • Mason City Globe Gazette - Mar 1970, (Name: Mason City Globe Gazette; Location: Mason City IA; Date: 9 Mar 1970;), Mason City Globe Gazette 9 March 1970.
...she was married to Carl Knudtson at Gardner, Ill., in September 1899. . . . Her husband died in 1922.
|